1 files changed, 4 insertions, 2 deletions

diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h
index f5eebc48d98d..80747ba6ef8a 100644
--- a/include/asm-s390/setup.h
+++ b/include/asm-s390/setup.h
@@ -17,7 +17,7 @@
 #include <asm/types.h>
 
 #define PARMAREA                0x10400
-#define MEMORY_CHUNKS           16      /* max 0x7fff */
+#define MEMORY_CHUNKS           256
 
 #ifndef __ASSEMBLY__
 
@@ -38,12 +38,14 @@
 struct mem_chunk {
         unsigned long addr;
         unsigned long size;
-        unsigned long type;
+        int type;
 };
 
 extern struct mem_chunk memory_chunk[];
 extern unsigned long real_memory_size;
 
+void detect_memory_layout(struct mem_chunk chunk[]);
+
 #ifdef CONFIG_S390_SWITCH_AMODE
 extern unsigned int switch_amode;
 #else